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Finding the Fourth Proportional to 664,264.32, 916,706.88 and 362,474.88

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Solution

The fourth proportional to 664,264.32, 916,706.88 and 362,474.88 is: 500,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,264.32 : 916,706.88 = 362,474.88 : x
  2. Step 2: Convert to fraction form
    664,264.32/916,706.88 = 362,474.88/x
  3. Step 3: Cross multiply
    664,264.32x = 916,706.88 × 362,474.88
  4. Step 4: Simplify right side
    664,264.32x = 332,283,216,323.17
  5. Step 5: Solve for x
    x = 332,283,216,323.17/664,264.32
  6. Step 6: Final answer
    x = 500,227.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.